1122202021211 has 2 divisors, whose sum is σ = 1122202021212. Its totient is φ = 1122202021210.

The previous prime is 1122202021177. The next prime is 1122202021249. The reversal of 1122202021211 is 1121202022211.

It is a weak prime.

It is an emirp because it is prime and its reverse (1121202022211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1122202021211 - 2⁶ = 1122202021147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1122202021211.

It is not a weakly prime, because it can be changed into another prime (1122202021271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561101010605 + 561101010606.

It is an arithmetic number, because the mean of its divisors is an integer number (561101010606).

Almost surely, 2^{1122202021211} is an apocalyptic number.

1122202021211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122202021211 is an equidigital number, since it uses as much as digits as its factorization.

1122202021211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1122202021211 its reverse (1121202022211), we get a palindrome (2243404043422).

The spelling of 1122202021211 in words is "one trillion, one hundred twenty-two billion, two hundred two million, twenty-one thousand, two hundred eleven".